Pinning down slapos.cookbook 0.61.
There is conflict with slapos.recipe.template and slapos.cookbook which
also contain module named slapos.recipe.template

Possibly it will require a bit of rewrite, as it will be it will be impossible
to use buildout procedure to download the content.

(cherry picked from commit c40f1bf4)

LDFLAGS -L and -Wl, rpath is a path of directory.